/Engine/Source/Runtime/SignalProcessing/Public/SampleBuffer.h
InPhase [0, 1], wrapped, through duration of file (ignores sample rate) OutFrame is the multichannel output for one phase value Returns InPhase wrapped between 0.0 and 1.0
float GetAudioFrameAtPhase ( float InPhase, [TArray](API\Runtime\Core\Containers\TArray)< SampleType > & OutFrame ) const